TS (Single Row Tapered Roller Bearings) (Imperial) 74550A-74850

TS (Single Row Tapered Roller Bearings) (Imperial) 74550A-74850

The 74550A-74850 is a single-row tapered roller bearing with a 5.5″ bore and 8.5″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 85900 lbf and is designed for long-lasting performance.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, making it a practical choice for replacements. Ideal for industrial machinery or heavy equipment where combined loads are common.

Weighing 13.1 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and reliable use.

The tapered roller design provides effective load distribution, enhancing its lifespan. Suitable for applications requiring standard radial clearance and ABEC-1 precision.

Its dimensions and tolerances ensure a precise fit, reducing wear over time. A dependable option for maintenance and engineering projects.

Get A Free Quote

Product Parameters

  • Part Number 74550A-74850
  • Brand TFL
  • Interchangeable Timken
  • Size 5.5" x 8.5" x 1.875"
  • Bore Dia 5.5"
  • Bore Dia Tolerance +0.001" to 0
  • Outer Dia 8.5"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.875"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 1.375"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.875"
  • Width Tolerance +0.014" to -0.01"
  • Cone Backface ToClear Radius 0.25"
  • Cup Backface ToClear Radius 0.130"
  • Cone Frontface Backing Diameter 6.97"
  • Cone Backface Backing Diameter 6.54"
  • Cup Frontface Backing Diameter 8.23"
  • Cup Backface Backing Diameter 7.72"
  • Cage Cone Frontface Clearance 0.11"
  • Cage Cone Backface Clearance 0.17"
  • Effective Center Location 0.09"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 74550A
  • Cup Part Number 74850
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 74000
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 85900 lbf
  • Static Radial Load 138000 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 22300 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 18600 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 13.1 lb

Features

Performance Features of 74550A-74850 Bearing

74550A-74850 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 85,900 lbf, making it suitable for heavy-duty applications.
The steel cage ensures proper roller alignment, reducing friction and enhancing durability.
With a temperature range of -30° to 110°C, it performs reliably in various conditions.

How Is 74550A-74850 Bearing Engineered for Reliability?

74550A-74850 Bearing features a single-row tapered roller design, optimised for combined load handling.
The chrome steel construction provides excellent wear resistance, extending its service life.
Its standard radial clearance allows for smooth operation in diverse industrial settings.
With an ABEC-1 rating, it balances precision and cost-effectiveness.

Designed for Durability: 74550A-74850 Bearing

74550A-74850 Bearing’s tapered roller design efficiently distributes loads, reducing stress on components.
The steel cage maintains roller positioning, ensuring consistent performance under heavy loads.
Its static radial load capacity of 138,000 lbf demonstrates robust construction.
Operating between -30° to 110°C, it adapts well to temperature variations.

Application

Industrial Uses of 74550A-74850 Bearing
This bearing is commonly seen in heavy machinery like construction equipment and mining drills, where its tapered roller design handles combined radial and thrust loads effortlessly. The chrome steel construction ensures durability even in tough working conditions.

In automotive applications, 74550A-74850 Bearing fits well in truck wheel hubs and differential systems, providing reliable performance under heavy loads. Its inch sizing makes it a go-to choice for American-made vehicles and industrial gear.

For industrial automation, 74550A-74850 Bearing supports conveyor systems and large rotating equipment, thanks to its high dynamic load capacity. The open design allows for easy lubrication, extending its service life in continuous operation.

Where Is 74550A-74850 Bearing Used?
You’ll often find this bearing in agricultural machinery, such as tractors and harvesters, where its robust design withstands dusty and high-load environments. The steel cage adds extra strength for long-term use.

In material handling systems, 74550A-74850 Bearing ensures smooth operation for cranes and forklifts, handling both radial and axial forces. Its standard radial clearance offers flexibility for various installation requirements.

Built for Heavy-Duty Use: 74550A-74850 Bearing
This bearing excels in forestry equipment like log splitters and sawmills, where its high static load rating prevents premature wear. The tapered rollers distribute stress evenly, reducing friction.

For railway applications, 74550A-74850 Bearing is ideal for axle boxes, providing stability and load support at high speeds. Its temperature range suits both cold and moderately hot environments.

Light-Duty vs Heavy-Duty: Best Uses for 74550A-74850 Bearing
In light-duty scenarios, this bearing works well in industrial fans and pumps, offering quiet and efficient performance. The ABEC-1 rating ensures sufficient precision for general machinery.

For heavy-duty tasks, 74550A-74850 Bearing shines in oil rigs and wind turbines, where its dynamic load capacity keeps operations running smoothly. The inch measurements simplify replacements in imperial-system machinery.

Q&A

SEND INQUIRY